Chaotic characteristics of heart rate and arterial pressure variability signals in 24 hours

S. Cerutti, G. Baselli, A. Bianchi, M. G. Signorini, F. Lissandrello, S. Solari, R. Furlan, A. Malliani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Results which illustrate a kind of passage from heart rate variability (HRV) spectra to parameters which measure the deterministic chaos properties of long-term RR series are presented. Nonlinear dynamic modeling may account for some information which cannot be explained by the traditional spectral analysis. Some algorithms which enhance statical and dynamical characteristics of the system behavior under a state-phase form are described. A continuity from the spectral parameters which describe physiological rhythms to other parameters which account for statical and dynamical characteristics of a strange attractor which is formed by the trajectories of a state-phase vector which defines the system is discussed.

Original languageEnglish
Title of host publicationComputers in Cardiology
PublisherPubl by IEEE
Pages705-708
Number of pages4
ISBN (Print)081862485X
Publication statusPublished - 1992
EventProceedings of the 18th Annual Conference on Computers in Cardiology - Venice, Italy
Duration: Sep 23 1991Sep 26 1991

Other

OtherProceedings of the 18th Annual Conference on Computers in Cardiology
CityVenice, Italy
Period9/23/919/26/91

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

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